+++ /dev/null
-package tim.prune.gui.profile;
-
-import java.awt.Color;
-import java.awt.Dimension;
-import java.awt.FlowLayout;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.RenderingHints;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.MouseEvent;
-import java.awt.event.MouseListener;
-
-import javax.swing.JLabel;
-import javax.swing.JMenuItem;
-import javax.swing.JPopupMenu;
-
-import tim.prune.I18nManager;
-import tim.prune.config.ColourScheme;
-import tim.prune.config.Config;
-import tim.prune.data.Field;
-import tim.prune.data.FieldList;
-import tim.prune.data.TrackInfo;
-import tim.prune.gui.GenericDisplay;
-
-/**
- * Chart component for the profile display
- */
-public class ProfileChart extends GenericDisplay implements MouseListener
-{
- /** Inner class to handle popup menu clicks */
- class MenuClicker implements ActionListener
- {
- private Field _field = null;
- MenuClicker(Field inField) {_field = inField;}
- /** React to menu click by changing the field */
- public void actionPerformed(ActionEvent arg0) {
- changeView(_field);
- }
- }
-
- /** Inner class to remember a single index */
- class PointIndex
- {
- public int index = -1;
- public boolean hasValue = false;
- public PointIndex()
- {
- index = -1;
- hasValue = false;
- }
- /** Set a single value */
- public void set(int inValue)
- {
- index = inValue;
- hasValue = (inValue != -1);
- }
- /** Add an index to the minimum calculation */
- public void setMin(PointIndex other)
- {
- if (!other.hasValue) {return;}
- if (!hasValue) {
- index = other.index;
- hasValue = other.hasValue;
- }
- else {
- index = Math.min(index, other.index);
- }
- }
- /** Add an index to the maximum calculation */
- public void setMax(PointIndex other)
- {
- if (!other.hasValue) {return;}
- if (!hasValue) {
- index = other.index;
- hasValue = other.hasValue;
- }
- else {
- index = Math.max(index, other.index);
- }
- }
- /** @return true if two Indexes are equal */
- public boolean equals(PointIndex other)
- {
- if (!hasValue || !other.hasValue) {
- return hasValue == other.hasValue;
- }
- return index == other.index;
- }
- }
-
- /** Inner class to remember previous chart parameters */
- class ChartParameters
- {
- public PointIndex selectedPoint = new PointIndex();
- public PointIndex rangeStart = new PointIndex(), rangeEnd = new PointIndex();
- public void clear()
- {
- selectedPoint.hasValue = false;
- rangeStart.hasValue = false;
- rangeEnd.hasValue = false;
- }
- /** Get the minimum index which has changed between two sets of parameters */
- public int getMinChangedIndex(ChartParameters other)
- {
- PointIndex minIndex = new PointIndex();
- if (!selectedPoint.equals(other.selectedPoint)) {
- minIndex.setMin(selectedPoint);
- minIndex.setMin(other.selectedPoint);
- }
- if (!rangeStart.equals(other.rangeStart)) {
- minIndex.setMin(rangeStart);
- minIndex.setMin(other.rangeStart);
- }
- if (!rangeEnd.equals(other.rangeEnd)) {
- minIndex.setMin(rangeEnd);
- minIndex.setMin(other.rangeEnd);
- }
- return minIndex.index;
- }
- /** Get the maximum index which has changed between two sets of parameters */
- public int getMaxChangedIndex(ChartParameters other)
- {
- PointIndex maxIndex = new PointIndex();
- if (!selectedPoint.equals(other.selectedPoint)) {
- maxIndex.setMax(selectedPoint);
- maxIndex.setMax(other.selectedPoint);
- }
- if (!rangeStart.equals(other.rangeStart)) {
- maxIndex.setMax(rangeStart);
- maxIndex.setMax(other.rangeStart);
- }
- if (!rangeEnd.equals(other.rangeEnd)) {
- maxIndex.setMax(rangeEnd);
- maxIndex.setMax(other.rangeEnd);
- }
- return maxIndex.index;
- }
- /** @return true if the parameters are completely empty (cleared) */
- public boolean isEmpty()
- {
- return !selectedPoint.hasValue && !rangeStart.hasValue && !rangeEnd.hasValue;
- }
- }
-
- /** Current scale factor in x direction*/
- private double _xScaleFactor = 0.0;
- /** Data to show on chart */
- private ProfileData _data = null;
- /** Label for chart type, units */
- private JLabel _label = null;
- /** Right-click popup menu */
- private JPopupMenu _popup = null;
- /** Parameters last time chart was drawn */
- private ChartParameters _previousParameters = new ChartParameters();
-
- /** Possible scales to use */
- private static final int[] LINE_SCALES = {10000, 5000, 2000, 1000, 500, 200, 100, 50, 10, 5, 2, 1};
- /** Border width around black line */
- private static final int BORDER_WIDTH = 6;
- /** Minimum size for profile chart in pixels */
- private static final Dimension MINIMUM_SIZE = new Dimension(200, 110);
- /** Colour to use for text if no data found */
- private static final Color COLOR_NODATA_TEXT = Color.GRAY;
-
-
- /**
- * Constructor
- * @param inTrackInfo Track info object
- */
- public ProfileChart(TrackInfo inTrackInfo)
- {
- super(inTrackInfo);
- _data = new AltitudeData(inTrackInfo.getTrack());
- addMouseListener(this);
- setLayout(new FlowLayout(FlowLayout.LEFT));
- _label = new JLabel("Altitude"); // text will be replaced later
- add(_label);
- makePopup();
- }
-
-
- /**
- * Override minimum size method to restrict slider
- */
- public Dimension getMinimumSize()
- {
- return MINIMUM_SIZE;
- }
-
- /**
- * Override paint method to draw map
- * @param g Graphics object
- */
- public void paint(Graphics g)
- {
- super.paint(g);
- // Set antialiasing depending on Config
- ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
- Config.getConfigBoolean(Config.KEY_ANTIALIAS) ? RenderingHints.VALUE_ANTIALIAS_ON : RenderingHints.VALUE_ANTIALIAS_OFF);
- ColourScheme colourScheme = Config.getColourScheme();
- paintBackground(g, colourScheme);
-
- if (_track == null || _track.getNumPoints() <= 0)
- {
- return;
- }
-
- _label.setText(_data.getLabel());
- int width = getWidth();
- int height = getHeight();
-
- // Set up colours
- final Color barColour = colourScheme.getColour(ColourScheme.IDX_POINT);
- final Color rangeColour = colourScheme.getColour(ColourScheme.IDX_SELECTION);
- final Color currentColour = colourScheme.getColour(ColourScheme.IDX_PRIMARY);
- final Color secondColour = colourScheme.getColour(ColourScheme.IDX_SECONDARY);
- final Color lineColour = colourScheme.getColour(ColourScheme.IDX_LINES);
-
- // message if no data for the current field in track
- if (!_data.hasData())
- {
- g.setColor(lineColour);
- g.drawString(I18nManager.getText(_data.getNoDataKey()), 50, (height+_label.getHeight())/2);
- paintChildren(g);
- return;
- }
-
- // Find minimum and maximum values to plot
- double minValue = _data.getMinValue();
- double maxValue = _data.getMaxValue();
- if (maxValue <= minValue) {maxValue = minValue + 1; minValue--;}
-
- final int numPoints = _track.getNumPoints();
- _xScaleFactor = 1.0 * (width - 2 * BORDER_WIDTH - 1) / numPoints;
- int usableHeight = height - 2 * BORDER_WIDTH - _label.getHeight();
- double yScaleFactor = 1.0 * usableHeight / (maxValue - minValue);
- int barWidth = (int) (_xScaleFactor + 1.0);
- int selectedPoint = _trackInfo.getSelection().getCurrentPointIndex();
- // selection start, end
- int selectionStart = -1, selectionEnd = -1;
- if (_trackInfo.getSelection().hasRangeSelected()) {
- selectionStart = _trackInfo.getSelection().getStart();
- selectionEnd = _trackInfo.getSelection().getEnd();
- }
-
- int y = 0;
- double value = 0.0;
- // horizontal lines for scale - set to round numbers eg 500
- final int lineScale = getLineScale(minValue, maxValue);
- double scaleValue = Math.ceil(minValue/lineScale) * lineScale;
- final int zeroY = height - BORDER_WIDTH - (int) (yScaleFactor * (0.0 - minValue));
-
- g.setColor(lineColour);
- if (lineScale >= 1)
- {
- while (scaleValue < maxValue)
- {
- y = height - BORDER_WIDTH - (int) (yScaleFactor * (scaleValue - minValue));
- g.drawLine(BORDER_WIDTH + 1, y, width - BORDER_WIDTH - 1, y);
- scaleValue += lineScale;
- }
- }
- else if (minValue < 0.0)
- {
- // just draw zero line
- y = zeroY;
- g.drawLine(BORDER_WIDTH + 1, y, width - BORDER_WIDTH - 1, y);
- }
-
- try
- {
- // loop through points
- g.setColor(barColour);
- for (int p = 0; p < numPoints; p++)
- {
- if (p == selectionStart)
- g.setColor(rangeColour);
- else if (p == (selectionEnd+1))
- g.setColor(barColour);
-
- final int x = (int) (_xScaleFactor * p) + 1;
- if (_data.hasData(p))
- {
- value = _data.getData(p);
- // Normal case is the minimum value greater than zero
- if (minValue >= 0)
- {
- y = (int) (yScaleFactor * (value - minValue));
- g.fillRect(BORDER_WIDTH+x, height-BORDER_WIDTH - y, barWidth, y);
- }
- else if (value >= 0.0) {
- // Bar upwards from the zero line
- y = height-BORDER_WIDTH - (int) (yScaleFactor * (value - minValue));
- g.fillRect(BORDER_WIDTH+x, y, barWidth, zeroY - y);
- }
- else {
- // Bar downwards from the zero line
- int barHeight = (int) (yScaleFactor * value);
- g.fillRect(BORDER_WIDTH+x, zeroY, barWidth, -barHeight);
- }
- }
- }
-
- // current point (make sure it's drawn last)
- if (selectedPoint >= 0)
- {
- final int sel_x = (int) (_xScaleFactor * selectedPoint) + 1;
- g.setColor(secondColour);
- g.fillRect(BORDER_WIDTH + sel_x, height-usableHeight-BORDER_WIDTH+1, barWidth, usableHeight-2);
- if (_data.hasData(selectedPoint))
- {
- g.setColor(currentColour);
- value = _data.getData(selectedPoint);
- y = (int) (yScaleFactor * (value - minValue));
- g.fillRect(BORDER_WIDTH + sel_x, height-BORDER_WIDTH - y, barWidth, y);
- }
- }
- }
- catch (NullPointerException npe) { // ignore, probably due to data being changed
- }
- // Draw numbers on top of the graph to mark scale
- if (lineScale >= 1)
- {
- int textHeight = g.getFontMetrics().getHeight();
- scaleValue = (int) (minValue / lineScale + 1) * lineScale;
- if (minValue < 0.0) {scaleValue -= lineScale;}
- y = 0;
- g.setColor(currentColour);
- while (scaleValue < maxValue)
- {
- y = height - BORDER_WIDTH - (int) (yScaleFactor * (scaleValue - minValue));
- // Limit y so String isn't above border
- if (y < (BORDER_WIDTH + textHeight)) {
- y = BORDER_WIDTH + textHeight;
- }
- g.drawString(""+(int)scaleValue, BORDER_WIDTH + 5, y);
- scaleValue += lineScale;
- }
- }
- // Paint label on top
- paintChildren(g);
- }
-
-
- /**
- * Paint the background for the chart
- * @param inG graphics object
- * @param inColourScheme colour scheme
- */
- private void paintBackground(Graphics inG, ColourScheme inColourScheme)
- {
- final int width = getWidth();
- final int height = getHeight();
- // Get colours
- final Color borderColour = inColourScheme.getColour(ColourScheme.IDX_BORDERS);
- final Color backgroundColour = inColourScheme.getColour(ColourScheme.IDX_BACKGROUND);
- // background
- inG.setColor(backgroundColour);
- inG.fillRect(0, 0, width, height);
- if (width < 2*BORDER_WIDTH || height < 2*BORDER_WIDTH) return;
- // Display message if no data to be displayed
- if (_track == null || _track.getNumPoints() <= 0)
- {
- inG.setColor(COLOR_NODATA_TEXT);
- inG.drawString(I18nManager.getText("display.nodata"), 50, height/2);
- }
- else
- {
- inG.setColor(borderColour);
- inG.drawRect(BORDER_WIDTH, BORDER_WIDTH + _label.getHeight(),
- width - 2*BORDER_WIDTH, height-2*BORDER_WIDTH-_label.getHeight());
- }
- }
-
- /**
- * Make the popup menu for right-clicking the chart
- */
- private synchronized void makePopup()
- {
- _popup = new JPopupMenu();
- JMenuItem altItem = new JMenuItem(I18nManager.getText("fieldname.altitude"));
- altItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- changeView(Field.ALTITUDE);
- }});
- _popup.add(altItem);
- JMenuItem speedItem = new JMenuItem(I18nManager.getText("fieldname.speed"));
- speedItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- changeView(Field.SPEED);
- }});
- _popup.add(speedItem);
- JMenuItem vertSpeedItem = new JMenuItem(I18nManager.getText("fieldname.verticalspeed"));
- vertSpeedItem.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- changeView(Field.VERTICAL_SPEED);
- }});
- _popup.add(vertSpeedItem);
- // Go through track's master field list, see if any other fields to list
- boolean addSeparator = true;
- FieldList fields = _track.getFieldList();
- for (int i=0; i<fields.getNumFields(); i++)
- {
- Field field = fields.getField(i);
- if (!field.isBuiltIn())
- {
- if (addSeparator) {_popup.addSeparator();}
- addSeparator = false;
- JMenuItem item = new JMenuItem(field.getName());
- item.addActionListener(new MenuClicker(field));
- _popup.add(item);
- }
- }
- }
-
- /**
- * Work out the scale for the horizontal lines
- * @param inMin min value of data
- * @param inMax max value of data
- * @return scale separation, or -1 for no scale
- */
- private int getLineScale(double inMin, double inMax)
- {
- if ((inMax - inMin) < 2.0) {
- return -1;
- }
- int numScales = LINE_SCALES.length;
- for (int i=0; i<numScales; i++)
- {
- int scale = LINE_SCALES[i];
- int numLines = (int)(inMax / scale) - (int)(inMin / scale);
- // Check for too many lines
- if (numLines > 10) return -1;
- // If more than 1 line then use this scale
- if (numLines > 1) return scale;
- }
- // no suitable scale found so just use minimum
- return LINE_SCALES[numScales-1];
- }
-
-
- /**
- * Method to inform map that data has changed
- */
- public void dataUpdated(byte inUpdateType)
- {
- // Try not to recalculate all the values unless necessary
- if (inUpdateType != SELECTION_CHANGED)
- {
- _data.init(Config.getUnitSet());
- _previousParameters.clear();
- }
- // Update the menu if necessary
- if ((inUpdateType & DATA_ADDED_OR_REMOVED) > 0) {
- makePopup();
- }
- if (inUpdateType == SELECTION_CHANGED) {
- triggerPartialRepaint();
- }
- else
- {
- repaint();
- }
- }
-
- /**
- * For performance reasons, only repaint the part of the graphics affected by
- * the change in selection
- */
- private void triggerPartialRepaint()
- {
- ChartParameters currentParameters = new ChartParameters();
- currentParameters.selectedPoint.set(_trackInfo.getSelection().getCurrentPointIndex());
- if (_trackInfo.getSelection().hasRangeSelected())
- {
- currentParameters.rangeStart.set(_trackInfo.getSelection().getStart());
- currentParameters.rangeEnd.set(_trackInfo.getSelection().getEnd());
- }
-
- int minPointIndex = currentParameters.getMinChangedIndex(_previousParameters);
- minPointIndex = Math.max(minPointIndex, 0);
- int maxPointIndex = currentParameters.getMaxChangedIndex(_previousParameters);
- if (maxPointIndex < minPointIndex) {
- maxPointIndex = _trackInfo.getTrack().getNumPoints() - 1;
- }
- // System.out.println("Redraw from index: " + minPointIndex + " to " + maxPointIndex);
- _previousParameters = currentParameters;
- final int region_x = (int) (_xScaleFactor * minPointIndex) + BORDER_WIDTH;
- final int region_width = (int) (_xScaleFactor * (maxPointIndex-minPointIndex+2)) + 2;
- repaint(region_x, 0, region_width, getHeight());
- }
-
- /**
- * React to click on profile display
- */
- public void mouseClicked(MouseEvent e)
- {
- if (_track == null || _track.getNumPoints() < 1) {return;}
- // left clicks
- if (!e.isMetaDown())
- {
- int xClick = e.getX();
- int yClick = e.getY();
- // Check click is within main area (not in border)
- if (xClick > BORDER_WIDTH && yClick > BORDER_WIDTH && xClick < (getWidth() - BORDER_WIDTH)
- && yClick < (getHeight() - BORDER_WIDTH))
- {
- // work out which data point is nearest and select it
- int pointNum = (int) ((e.getX() - BORDER_WIDTH) / _xScaleFactor);
- // If shift clicked, then extend selection
- if (e.isShiftDown()) {
- _trackInfo.extendSelection(pointNum);
- }
- else {
- _trackInfo.selectPoint(pointNum);
- }
- }
- }
- else {
- // right clicks
- _popup.show(this, e.getX(), e.getY());
- }
- }
-
- /**
- * Called by clicking on popup menu to change the view
- * @param inField field to show
- */
- private void changeView(Field inField)
- {
- if (inField == Field.ALTITUDE)
- {
- if (!(_data instanceof AltitudeData)) {
- _data = new AltitudeData(_track);
- }
- }
- else if (inField == Field.SPEED) {
- if (!(_data instanceof SpeedData)) {
- _data = new SpeedData(_track);
- }
- }
- else if (inField == Field.VERTICAL_SPEED) {
- if (!(_data instanceof VerticalSpeedData)) {
- _data = new VerticalSpeedData(_track);
- }
- }
- else
- {
- if (!(_data instanceof ArbitraryData) || ((ArbitraryData)_data).getField() != inField) {
- _data = new ArbitraryData(_track, inField);
- }
- }
- _data.init(Config.getUnitSet());
- repaint();
- }
-
- /**
- * mouse enter events ignored
- */
- public void mouseEntered(MouseEvent e)
- {}
-
- /**
- * mouse exit events ignored
- */
- public void mouseExited(MouseEvent e)
- {}
-
- /**
- * ignore mouse pressed for now too
- */
- public void mousePressed(MouseEvent e)
- {}
-
- /**
- * and also ignore mouse released
- */
- public void mouseReleased(MouseEvent e)
- {}
-}
projects / GpsPrune.git / blobdiff